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Overview

Avoid foods that are high in purines to help eliminate kidney stones and gout. Purines are substances found in high protein foods and are converted into uric acid by the kidney. Gout is created by a buildup of uric acid in the blood. According to the National Institutes of Health, uric acid build up can be a result of eating foods high in purine. A normal diet usually contains up to 1,000 mg of purine. A low purine diet contains around 150 mg per day. There is no reason to follow a low purine diet unless you have gout. Also, remember that it may be difficult to eliminate all foods that contain purines, but avoiding high purine foods is recommended.

Grains

High purine foods to avoid in the grain group include fatty bread choices like pancakes, biscuits, french toast, muffins and french fries. Instead include enriched breads, rice, noodles, and pasta. If following a low purine diet limit whole grains to two servings per week.

Fruit

All fruits and juices are considered low purine. Feel free to eat freely from this food group, unless your doctor tells you otherwise. A notable exception is high-purine avocado, which is botanically part of the fruit group and which should be avoided.